{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["else", "location", "person", "organization"], "input": "The fifth set stayed on serve until the sixth game , when Washington , after saving one break point with a forehand winner down the line , netted a backhand to give O'Brien a 4-2 lead ."}
{"else": [], "location": [], "person": ["Washington", "O'Brien"], "organization": []}